Word.ws English Dictionary

petrosilex

petrosilex noun: felsite.

Noun

petrosilex (plural petrosilexes)

  1. felsite
    • Petrosilex has given rise to different .1871, Thomas Egleston, Catalogue of Minerals, with Their Formulae and Crystalline Systems
    • The name simple petrosilex seems to have been confined to the more apparenttly homogeneous felsites, while the term porphyritic petrosilex was given to those rocks supposed to have a base of simple petrosilex or of felsparoid which held enclosed porphyritic crystals.1884, Harvard University. Museum of Comparative Zoology, Bulletin: Geological series - Volume 1, page 399
  2. A fine-grained, silica-rich rock composed of quartz and sometimes other minerals, similar to the chemical structure of hornstone but having a different texture.

Forms of petrosilex

pluralpetrosilexes

Origin of petrosilex

From petro- + silex.

Questions about petrosilex

What does petrosilex mean?
Petrosilex means felsite.
What part of speech is petrosilex?
Petrosilex is a noun.
What is the plural of petrosilex?
The plural of petrosilex is petrosilexes.

Words near petrosilex in the dictionary

  1. petroselinates
  2. petroselinic
  3. petroselinic acid
  4. Petrosian
  5. Petrosians
  6. petrosilex
  7. petrosilexes
  8. petrosiliceous
  9. petrosilicious
  10. Petrosino
  11. Petrosinos

Source and license

Adapted from Wiktionary: petrosilex (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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